In 08: 08 Moscow time, the crew of the 193 flying squad conducted take-off at dusk with MK = 137 ° at dawn in bad weather (layered clouds 10 points, height 220 m, wind 5 m / s, 280 degrees, visibility 4 km, drizzle, Ice), reported on take-off and confirmed the command of the dispatcher to take the train 1800 m. After 35 seconds from the first report, the crew reported again about take-off, did not respond to confirmation by the dispatcher about the occupation of the train 1800 m and did not answer the dispatcher's requests in the future. The plane was found destroyed in the forest at a distance of 11 km from the KTA near the n / a Gridino with azimuth 139 ° (57 ° 43 'S, 41 ° 08' VD). There was no fire. The scatter of the debris was 15x195 m. All those who were on board eight passengers (including one unformed - the airport of Kostroma airport) and the crew were killed. The plane crash took place after 4 minutes 30 seconds from the start of the takeoff.

Data on victims:

Total on board were people 10: 2 8 crew members and passengers. Total killed 10 people: crew 2, 8 passengers.

Details of the crash:

Phase of flight: climb

Identified causes of the crash: the causes are unknown

Data on the plane:

Brand aircraft: A-410M

aircraft Brand: CCCP67225

Country where registered aircraft: the USSR

Date of manufacture of the aircraft: 17.06.1977

Serial number of the aircraft :: 770706

Hours aircraft: 3534

The cycles of use of the aircraft: 3007

Engines: 812013 814062

Flight data:

Flight: P-637

Tour type: Regular passenger

The aviation company Aeroflot (USSR)

Division: UGATS, of Kostroma

The country, which was registered aviation company: USSR

Flying from: Kostroma

Flying in: Ivanovo

Original item: Kostroma

A final point: Ulyanovsk (Baratayevka)

details

The Commission found that a minute later 1 10 seconds from the start of take-off at an altitude of about m 200 aircraft entered cloud and the crew began to make flying on instruments. For 70 seconds climb clouds flight parameters meet RLE, was not at the exchange rate variations. The crew at the height of the plane m 530 turned off course takeoff degrees 137 150 degree course on the Volga, which is reported to the controller. This report coincides with the beginning of an emergency. As a result of this planned right turn at the plane began to increase the left bank, which reached a degree of 55 20 seconds.